Francesco D’Andria used ancient mythology as his guide to locate the legendary portal to the underworld.
Strabo (64 B.C.- 24 B.C.) wrote, “This space is full of a vapor so misty and dense that one can scarcely see the ground. Any animal that passes inside meets instant death. I threw in sparrows and they immediately breathed their last and fell.”
Sounds like an ideal destination for a package holiday. Of course, you’d come back in a different kind of package to that which you left in.